package com.xxd.spring.boot.demo.hexinglei.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.xxd.spring.boot.demo.hexinglei.entity.Classes;

import java.util.List;

public interface ClassesMapper extends BaseMapper<Classes> {
    Classes infoById(Integer id);
    List<Classes> all();
}
